// JavaScript Document
window.addEvent('domready', function() {
  $('add').addEvent('click', function() {
    $('select1').getSelected().each(function(el) {
      el.inject($('select2'));
    });
  });
  $('remove').addEvent('click', function() {
    $('select2').getSelected().each(function(el) {
      el.inject($('select1'));
    });
  });
});